Underwater volcano magma 'finger' triggered 85,000 earthquakes near Antarctica

Underwater volcano magma ‘finger’ triggered 85,000 earthquakes near Antarctica

A long-dormant underwater volcano near Antarctica has woken up, triggering a swarm of 85,000 earthquakes.

The swarm, which began in August 2020 and subsidized by November of that year, is the strongest earthquake activity ever recorded in the region. And the quakes were likely caused by a “finger” of hot magma poking into the crust, new research finds.

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